Amplifier



FIG. 1 is a front perspective view of the amplifer embodying my new design;

FIG. 2 is a rear perspective view of the amplifier of FIG. 1;

FIG. 3 is a front view of the amplifier of FIG. 1;

FIG. 4 is a rear view of the amplifier of FIG. 1;

FIG. 5 is a side view of the amplifier of FIG. 1;

FIG. 6 is an opposite side view of the amplifier of FIG. 1;

FIG. 7 is a top view of the amplifier of FIG. 1; and,

FIG. 8 is a bottom view of the amplifier of FIG. 1. 

CLAIM The ornamental design for an amplifier, as shown and described. 